Simon Willnauer created LUCENE-8090:
---------------------------------------
Summary: IndexWriter#flushNextBuffer can cause NPE
Key: LUCENE-8090
URL: https://issues.apache.org/jira/browse/LUCENE-8090
Project: Lucene - Core
Issue Type: Bug
Affects Versions: master (8.0), 7.2, 7.3
Reporter: Simon Willnauer
Assignee: Simon Willnauer
Priority: Blocker
Fix For: master (8.0), 7.2, 7.3
There is a missing synchronized statment in DocumentsWriterFlushControl causing
failures like this:
{code}
04:07:06 [junit4] 2> NOTE: reproduce with: ant test
-Dtestcase=TestIndexWriterDelete -Dtests.method=testDeleteAllNoDeadLock
-Dtests.seed=D43A2A18EB61840A -Dtests.slow=true -Dtests.locale=sv-SE
-Dtests.timezone=Pacific/Kosrae -Dtests.asserts=true
-Dtests.file.encoding=ISO-8859-1
04:07:06 [junit4] ERROR 0.21s J1 |
TestIndexWriterDelete.testDeleteAllNoDeadLock <<<
04:07:06 [junit4] > Throwable #1:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught
exception in thread: Thread[id=516, name=Thread-413, state=RUNNABLE,
group=TGRP-TestIndexWriterDelete]
04:07:06 [junit4] > at
__randomizedtesting.SeedInfo.seed([D43A2A18EB61840A:E723C5066BA23E5C]:0)
04:07:06 [junit4] > Caused by: java.lang.RuntimeException:
java.lang.NullPointerException
04:07:06 [junit4] > at
__randomizedtesting.SeedInfo.seed([D43A2A18EB61840A]:0)
04:07:06 [junit4] > at
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
04:07:06 [junit4] > Caused by: java.lang.NullPointerException
04:07:06 [junit4] > at
org.apache.lucene.index.DocumentsWriterFlushControl.findLargestNonPendingWriter(DocumentsWriterFlushControl.java:730)
04:07:06 [junit4] > at
org.apache.lucene.index.DocumentsWriterFlushControl.checkoutLargestNonPendingWriter(DocumentsWriterFlushControl.java:750)
04:07:06 [junit4] > at
org.apache.lucene.index.DocumentsWriter.flushOneDWPT(DocumentsWriter.java:256)
04:07:06 [junit4] > at
org.apache.lucene.index.IndexWriter.flushNextBuffer(IndexWriter.java:3203)
04:07:06 [junit4] > at
org.apache.lucene.index.RandomIndexWriter.maybeFlushOrCommit(RandomIndexWriter.java:189)
04:07:06 [junit4] > at
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:174)
04:07:06 [junit4] > at
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
04:07:06 [junit4] 2> NOTE: test params are: codec=CheapBastard,
sim=RandomSimilarity(queryNorm=false): {field=DFR I(ne)1, contents=DFR
G3(800.0), city=DFR G1, id=LM Jelinek-Mercer(0.100000), content=DFR I(ne)B1},
locale=sv-SE, timezone=Pacific/Kosrae
{code}
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org
For additional commands, e-mail: dev-h...@lucene.apache.org
